Mycoloth (At the beginning of your upkeep, put a 1/1 green Saproling creature token into play for each +1/+1 counter on Mycoloth.)

Necrogenesis({2}: Remove target creature card in a graveyard from the game. Put a 1/1 green Saproling creature token into play.)

Sprouting Thrinax(When Sprouting Thrinax is put into a graveyard to play, put three 1/1 green Saproling creature tokens into play.)

1/1 black Skeleton creature token

Skeletonize (Skeletonize deals 3 damage to target creature. When a creature dealt damage this way is put into a graveyard this turn, put a 1/1 black Skeleton creature token into play with "{B}: Regenerate this creature.")